Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/73685",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-6244ea1f-8781-4809-a639-025cca3353d4",
      "cw-35bfb6c4-8901-4c93-93ef-b4ca6b9a5f86"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-bef1a2b2-baa1-4909-86ee-b446b5e190ce",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/73685",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-35bfb6c4-8901-4c93-93ef-b4ca6b9a5f86"
  }
}